CA1246462A - Flow regulated power assist steering system with evasive maneuver capability - Google Patents
Flow regulated power assist steering system with evasive maneuver capabilityInfo
- Publication number
- CA1246462A CA1246462A CA000492803A CA492803A CA1246462A CA 1246462 A CA1246462 A CA 1246462A CA 000492803 A CA000492803 A CA 000492803A CA 492803 A CA492803 A CA 492803A CA 1246462 A CA1246462 A CA 1246462A
- Authority
- CA
- Canada
- Prior art keywords
- flow
- command
- source
- power assist
- hydraulic fluid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 12
- 239000012530 fluid Substances 0.000 claims abstract description 64
- 230000007423 decrease Effects 0.000 claims abstract description 17
- 230000004044 response Effects 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims description 31
- 230000033001 locomotion Effects 0.000 claims description 19
- 230000000694 effects Effects 0.000 claims description 12
- 230000003247 decreasing effect Effects 0.000 claims description 5
- 230000000750 progressive effect Effects 0.000 claims 8
- 239000003981 vehicle Substances 0.000 description 36
- 230000006870 function Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 9
- 230000000977 initiatory effect Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005355 Hall effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D6/00—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
- B62D6/02—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits responsive only to vehicle speed
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
- Power Steering Mechanism (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/693,518 US4629025A (en) | 1985-01-22 | 1985-01-22 | Flow regulated power assist steering system with evasive maneuver capability |
| US693,518 | 1985-01-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1246462A true CA1246462A (en) | 1988-12-13 |
Family
ID=24785000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000492803A Expired CA1246462A (en) | 1985-01-22 | 1985-10-11 | Flow regulated power assist steering system with evasive maneuver capability |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4629025A (de) |
| EP (1) | EP0189965B1 (de) |
| JP (1) | JPS61169370A (de) |
| CA (1) | CA1246462A (de) |
| DE (1) | DE3662366D1 (de) |
Families Citing this family (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4811806A (en) * | 1985-08-03 | 1989-03-14 | Zahnradfabrik Friedrichshafen, Ag. | Servosteering, especially for motor vehicles |
| JPS644577A (en) * | 1987-06-26 | 1989-01-09 | Ford Motor Co | Car controller having wheel-speed difference input |
| US4905783A (en) * | 1987-06-26 | 1990-03-06 | Ford Motor Company | Vehicular controller with differential wheel speed input |
| US4871040A (en) * | 1988-06-27 | 1989-10-03 | General Motors Corporation | Electromagnetic control apparatus for varying the driver steering effort of a hydraulic power steering system |
| US4901812A (en) * | 1988-11-16 | 1990-02-20 | General Motors Corporation | Variable effort steering system |
| US4886137A (en) * | 1988-12-22 | 1989-12-12 | General Motors Corporation | Electromagnetic control apparatus for varying the driver steering effort of a hydraulic power steering system |
| US4886138A (en) * | 1988-12-22 | 1989-12-12 | General Motors Corporation | Electromagnetic control apparatus for varying the driver steering effort of a hydraulic power steering system |
| GB2233291B (en) * | 1989-06-23 | 1993-02-24 | Trw Cam Gears Ltd | A vehicle power assisted steering system |
| US5119898A (en) * | 1989-08-10 | 1992-06-09 | General Motors Corporation | Electromagnetic control apparatus for varying the driver steering effort of a hydraulic power steering system |
| EP0412684B1 (de) * | 1989-08-10 | 1993-07-14 | General Motors Corporation | Elektromagnetische Regelvorrichtung zum Verändern des Fahrer-Lenkkraftaufwandes einer hydraulischen Servolenkung |
| GB8918578D0 (en) * | 1989-08-15 | 1989-09-27 | Trw Cam Gears Ltd | A vehicle power assisted steering system |
| GB2238279B (en) * | 1989-11-22 | 1993-11-24 | Trw Cam Gears Ltd | A power assisted vehicle steering system |
| US5029660A (en) * | 1990-04-06 | 1991-07-09 | Ford Motor Company | Steering control method and control system for wheeled vehicles |
| US5123497A (en) * | 1990-12-20 | 1992-06-23 | Ford Motor Company | Automotive apparatus and method for dynamically determining centripetal force of a vehicle |
| DE69203390T2 (de) * | 1991-05-22 | 1995-12-21 | Delco Electronics Corp | Bildung des Geschwindigkeitsdurchschnittes für eine Servolenkung mit veränderbarer Lenkkraft. |
| US5261637A (en) * | 1992-07-07 | 1993-11-16 | Lectron Products, Inc. | Electrical variable orifice actuator |
| US5385455A (en) * | 1993-08-18 | 1995-01-31 | General Motors Corporation | Flow control valve |
| US5445239A (en) * | 1994-08-01 | 1995-08-29 | General Motors Corporation | Motor vehicle power steering system |
| JP3469965B2 (ja) * | 1994-10-04 | 2003-11-25 | 光洋精工株式会社 | 可変絞り弁および油圧パワーステアリング装置 |
| US5725023A (en) * | 1995-02-21 | 1998-03-10 | Lectron Products, Inc. | Power steering system and control valve |
| US5857478A (en) * | 1997-10-28 | 1999-01-12 | General Motors Corporation | Demand responsive flow control valve |
| EP1144237A4 (de) * | 1998-12-04 | 2003-03-12 | Mts System Corp | Apparat zum testen einer mehrfachlenkanlage |
| US6173223B1 (en) * | 1999-01-05 | 2001-01-09 | Ford Global Technologies, Inc. | Steering control method for providing variable assist power steering |
| US6098741A (en) * | 1999-01-28 | 2000-08-08 | Eaton Corporation | Controlled torque steering system and method |
| DE10200092A1 (de) | 2002-01-03 | 2003-07-17 | Zf Lenksysteme Gmbh | Servolenksystem für Fahrzeuge |
| DE10205859B4 (de) * | 2002-02-13 | 2012-11-29 | Zf Lenksysteme Gmbh | Hydraulische Hilfskraftlenkung |
| DE10238821A1 (de) * | 2002-08-23 | 2004-03-04 | Zf Lenksysteme Gmbh | Hydraulisches Servolenksystem für Kraftfahrzeuge |
| US6988581B2 (en) * | 2002-11-14 | 2006-01-24 | Visteonglobal Technologies, Inc. | Fuel efficient power steering control system and method |
| US8408352B2 (en) * | 2007-12-20 | 2013-04-02 | Ford Global Technologies, Llc | Energy efficient power steering pump control system |
| US8612094B2 (en) * | 2008-03-12 | 2013-12-17 | Steering Solutions Ip Holding Corporation | Systems and methods involving velocity dependent damping |
| US10611401B2 (en) * | 2017-05-16 | 2020-04-07 | Zf Active Safety And Electronics U.S. Llc | Power steering apparatus |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1424937A (en) * | 1973-03-05 | 1976-02-11 | Nissan Motor | Automotive steering system process for the production of bis-halogen carbonyl anilines |
| JPS5822760A (ja) * | 1981-08-05 | 1983-02-10 | Nissan Motor Co Ltd | パワ−ステアリングの操舵力制御装置 |
| JPS58161667A (ja) * | 1982-03-18 | 1983-09-26 | Nissan Motor Co Ltd | パワ−ステアリングの操舵力制御装置 |
| JPS58170667A (ja) * | 1982-03-30 | 1983-10-07 | Nissan Motor Co Ltd | パワ−ステアリング装置 |
| JPS58209655A (ja) * | 1982-05-28 | 1983-12-06 | Toyoda Mach Works Ltd | 動力舵取装置の操舵力制御装置 |
| JPS58214457A (ja) * | 1982-06-07 | 1983-12-13 | Nissan Motor Co Ltd | 前輪補助操舵装置 |
-
1985
- 1985-01-22 US US06/693,518 patent/US4629025A/en not_active Expired - Lifetime
- 1985-10-11 CA CA000492803A patent/CA1246462A/en not_active Expired
-
1986
- 1986-01-03 DE DE8686300014T patent/DE3662366D1/de not_active Expired
- 1986-01-03 EP EP86300014A patent/EP0189965B1/de not_active Expired
- 1986-01-22 JP JP61010312A patent/JPS61169370A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61169370A (ja) | 1986-07-31 |
| EP0189965B1 (de) | 1989-03-15 |
| EP0189965A3 (en) | 1987-07-01 |
| EP0189965A2 (de) | 1986-08-06 |
| US4629025A (en) | 1986-12-16 |
| DE3662366D1 (en) | 1989-04-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |